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Bovine Medicine
Idiopathic arterial aneurysm/rupture causing sudden death in dairy cattle
  1. Tim Crawshaw1,
  2. Mark Wessels2,
  3. Fiona Howie3,
  4. Maire McElroy4,
  5. Tony Patterson5,
  6. Klaas Peperkamp6 and
  7. Cathy Lamm7
  1. AHVLA – Starcross, Staplake Mount, Starcross, Exeter EX6 8PE e-mail:
  2. AHVLA – Preston, Barton Hall, Garstang Road, Barton, Preston, Lancashire PR3 0XE
  3. SAC C VS, Bush Estate, Penicuik, Midlothian EH26 0QE e-mail:
  4. Central Veterinary Research Laboratory, Backweston Campus, Youngs Cross, Celbridge, County Kildare, Ireland e-mail:
  5. AFBI, Veterinary Sciences Division, Stormont, Belfast BT4 3SB e-mail:
  6. GD, Arnsbergstraat 7, PO Box 9, 7400 AA Deventer, The Netherlands e-mail:
  7. School of Veterinary Medicine, University of Glasgow, Bearsden, Glasgow G61 1QH

Statistics from

OVER the past decade we have seen cases of adult Holstein-Friesian cattle presented for postmortem examination with an acute fatal haemorrhage from a major artery. Since 2003, the Animal Health and Veterinary Laboratories Agency (AHVLA) has recorded 52 cases, with the greatest annual incidence in 2010 (16 cases), although increased awareness may be biasing recording. An increasing trend has been reported in North America, where there was an increase in the number of cases submitted for necropsy between 1980 and 2005 (Lamm and others 2007). Seventy-four cases of rupture of the cranial mesenteric or coeliac artery were recorded in the Netherlands from 2002 up to 2010 (K. Peperkamp, personal communication), three cases have been recorded in Scotland, one in Northern Ireland and two in the Irish Republic.

There appears to be no marked seasonality in the cases, but more have …

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